Factors Affecting Yield And Metal Quality In The Reduction Of Uf4 To Metal
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Factors Affecting Yield And Metal Quality In The Reduction Of Uf4 To Metal
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Author : Orville R. Magoteaux
language : en
Publisher:
Release Date : 1959
Factors Affecting Yield And Metal Quality In The Reduction Of Uf4 To Metal written by Orville R. Magoteaux and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Reduction (Chemistry) categories.
The Production Of Uranium By The Reduction Of Uf4 By Mg
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Author : Frank Harold Spedding
language : en
Publisher:
Release Date : 1945
The Production Of Uranium By The Reduction Of Uf4 By Mg written by Frank Harold Spedding and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with Magnesium categories.
A Contribution To The Study Of The Reduction Of Uf4 To Uranium Metal
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Author : Jovan Milosavljevich
language : en
Publisher:
Release Date : 1961
A Contribution To The Study Of The Reduction Of Uf4 To Uranium Metal written by Jovan Milosavljevich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Furnaces categories.
Reduction of small charges of uranium tetrafluoride with magnesium proved to be successful. By hand-tamping of UF4- Mg blend, tap densities ranging between3.1 and 3.4 g/cc were obtained. The reduction yields for these densities ranged from 72.79 to 93.71%. In the case of machine-compacted UF4-Mg blend having tap densities from 3.58 to 3.68 g/cc, reduction yields were higher, ranging between 91.45 and 97.2%. Machine-compacted blends gave much more uniform temperature distribution curves during the preheating period, as a result of higher tap densities. The best yields were obtained by firing a machine- compacted blend containing 5% Mg excess at a furnace temperature of 650 deg C, giving an average crude metal yield of 96.3%. However, the high carbon content of 174 ppm in the crude uranium biscuits obtained by compacts reduction, as a result of hydrocarbon binder presence, appeared to be a disadvantage. Attempts were also made to demonstrate the initiation of the reduction reaction at temperatures lower than 500 deg C by taking x-ray-diffraction patterns of the samples of the UF4-Mg charges heated up to various temperatures.
The Production Of Uranium By The Reduction Of Uf4 By Mg
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Author :
language : en
Publisher:
Release Date : 1945
The Production Of Uranium By The Reduction Of Uf4 By Mg written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with categories.
Due to difficulties encountered in the production of calcium metal in adequate quantity and of adequate purity at low cost, it became desirable to replace calcium by a cheaper metal in the production of uranium. Because of the heats of formation of its compounds, its relative stability in air, and its cheapness in high purities, magnesium was the best suited metal for the purpose. Since the heat of reaction of the reduction of UF4 by Mg was not sufficient to melt the products, it was necessary to add heat to the system. This was done in experimental studies both by preheating the reactants before reaction was initiated and by the use of a simultaneous auxiliary reaction producing more heat than the primary reaction. For the latter purpose the reductions of KClO3, K2S2O8 and of other salts by Mg were suitable reactions. The use of 'boosters' or auxiliary oxidants involved extra work and materials, thus increasing costs and offering additional opportunity for contamination, hence the preheating of the reactants was adopted for large scale production.
The Preparation Of Metal Grade Uf4 From Scrap By The Winlo Process
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Author : Earl O. Rutenkroger
language : en
Publisher:
Release Date : 1959
The Preparation Of Metal Grade Uf4 From Scrap By The Winlo Process written by Earl O. Rutenkroger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Precipitation (Chemistry) categories.
U S Government Research Reports
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Author :
language : en
Publisher:
Release Date : 1960
U S Government Research Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Science categories.
Summary Technical Report For The Period
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Author :
language : en
Publisher:
Release Date : 1962-07
Summary Technical Report For The Period written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962-07 with Extraction (Chemistry) categories.
List
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Author :
language : en
Publisher:
Release Date : 1948
List written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Nuclear energy categories.
A Contribution To The Study Of The Reduction Of Uf Sub 4 To Uranium Metal
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Author :
language : en
Publisher:
Release Date : 1961
A Contribution To The Study Of The Reduction Of Uf Sub 4 To Uranium Metal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with categories.
Reduction of small charges of uranium tetrafluoride with magnesium proved to be successful. By hand-tamping of UF/sub 4/-- Mg blend, tap densities ranglng between3.1 and 3.4 g/cc were obtained. The reduction yields for these densities ranged from 72.79 to 93.71%. In the case of machinecompacted UF4-- Mg blend having tap densities from 3.58 to 3.68 g/cc, reduction yields were higher, ranging between 91.45 and 97.2%. Machine-compacted blends gave much more uniform temperature distribution curves during the preheating period, as a result of higher tap densities. The best yields were obtained by firing a machine- compacted blend containing 5% Mg excess at a furnace temperature of 650 deg C, giving an average crude metal yield of 96.3%. However, the high carbon content of 174 ppm in the crude uranium biscuits obtained by compacts reduction, as a result of hydrocarbon binder presence, appeared to be a disadvantage. Attempts were also made to demonstrate the initiation of the reduction reaction at temperatures lower than 500 deg C by taking x-ray-diffraction patterns of the samples of the UF4-- Mg charges heated up to various temperatures. (auth).
Enriched Uranium Processing
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Author : Finis S. Patton
language : en
Publisher:
Release Date : 1963
Enriched Uranium Processing written by Finis S. Patton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Highly enriched uranium categories.